The Porsche 718 Boxster provides a ready-made yardstick by which to measure the objective qualities of AMG’s new V6.
The comparison isn’t quite perfect for our purposes; the Boxster was tested in dry conditions and the SLC in damp but drying ones, and that had plenty to do with the disappointing 5.5sec 0-60mph time the SLC posted.
Then again, so it should be. Given its power and torque advantages, in fact, you might have expected the SLC 43 to be faster still.
If you believe that any AMG worth its badge should be capable of blowing its competition into the weeds on accelerative punch – and since so many AMGs have done exactly that over the years, plenty of owners will – this one may come up short of your expectations.
The engine sounds potent enough: angry and waspish with the active exhaust set to its louder modes. And there’s nothing wrong with its style of delivery, which is responsive and nicely loutish in the lower part of the rev range but still builds in urgency as the revs rise.
In manual mode, the nine-speed automatic gearbox shifts smartly enough, will hold a ratio right to the redline if you want and generally feels more obedient than we’ve found AMG’s usual seven-speed ’box to be on occasion.